Finding the Fourth Proportional to 994,335.48, 1,372,118.36 and 586,343.79
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Solution
The fourth proportional to 994,335.48, 1,372,118.36 and 586,343.79 is: 809,116.33
Step by Step Solution
- Step 1: Write the proportion equation
994,335.48 : 1,372,118.36 = 586,343.79 : x - Step 2: Convert to fraction form
994,335.48/1,372,118.36 = 586,343.79/x - Step 3: Cross multiply
994,335.48x = 1,372,118.36 × 586,343.79 - Step 4: Simplify right side
994,335.48x = 804,533,076,599.27 - Step 5: Solve for x
x = 804,533,076,599.27/994,335.48 - Step 6: Final answer
x = 809,116.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.